Collar for shafting and pulleys.



6 W. MGCAB'E. COLLAR FDR SHAFTING AND.PULLEYS.

( Application filed Apr. 2, 1900.)

No. 656,564. Patented Aug. 2|, 1900.

.(No Model.)

DDDUDDDDD) UNITED STATES PATENT OFFICE.

WILLIAM MCCABE,OF PITTSBURG, PENNSYLVANIA.

COLLAR FOR SHAFTING AND PULLE YS.

SPECIFICATION ai in part of Letters Patent No. 656,564, dated August 21,1900. Application filed April 2, 1900- Serial No. 11,112. on model.) 7

To a, whom it may concern:

Beiit known that. I, WILLIAM MCCABE, a citizen of the United States ofAmerica, residing at Pittslourg, in the county of Allegheny and State ofPennsylvania, have invented certain new and useful Improvements inCollars for Shafting and Pulleys, of which the following is aspecification, reference being had therein to the accompanying drawings.

This invention relates to certain new and useful improvements inset-screw guards, and is particularly adapted for the ends of shafting.

One object of my invention is to provide a guard of this character whichis adapted to surround stop-collars or a shaft and their set screw orscrews to prevent the lateral movement of the shaft and which is adaptedto prevent the engagement or catching of the set-screws in any object orthe wearing-apparel of an operator or workman, overcoming thereby anyinconvenience or injury to the operator or workman, as is often the casein machine-shops or mills at present.

Another object of the invention is to cons'truct a set-screw guard ofthis character which shall be extremely simple in construction, strong,durable,'efficient in its use, and comparatively inexpensive tomanufacture and set up.

Briefly described, the invention consists of a concentric band formed oftwo sections, each section provided on its inner face with sleeves, witheach sleeve having a set-screw mounted thereinfor engagement with astop-collar or with a shaft.

The invention finally consists in the novel construction, combination,and arrangement of parts, to be hereinafter described, and particularlypointed out in the claims.

In describing the invention in detail, reference is had to theaccompanying drawings, forming a part of this specification, whereinlike numerals of reference indicate corresponding parts throughout theseveral views, in which-- Figure 1 is a side view of a. portion of ashaft and its hanger, showing the stop-collar with my improved guardmounted thereon. Fig. 2 is an end view thereof. Fig. 3 is a perspectiveview of one section of the guard. 'Fig. 4 is a cross-sectional view of aportion of one of the sections of the safeguard through one of thesleeves, showing the arrangement of the set-screw therein. Fig. 5 is aside View of the set-screw. I

Referring to the drawings by reference-numerals, 1 indicates an ordinaryhanger for sup porting a shaft 2, the latter having mounted thereon astop-collar 3, which bearsagainst the inner side of the hanger 1 toprevent the lateral movement of the shaft 2. The stop collar 3 isretained in position by means of the set-screw 4, operating therethroughand engaging the shaft. Of course it is evident the collar revolves withthe shaft.

Surrounding a portion of the collar 3 is my improved set-screw guard,which consists of a pair of semicircular sections 5 6, construct ed ofsuitable material and provided with a pair of inwardlyextendinginteriorly-screw threaded sleeves 7, each registering with the opening8, formed in the section, as shown. The inner face of each of thesections is cut away, as at 9, and this cut-away portion may extend fromone strengthening-web 10 to the opposite strengthening-web 11. Thesection 6 has each end bifurcated, as at 12, and is provided withopenings 13, through which operates the screw or stud 14 for securing inposition the tenon 15, formed integral with the section 5. Arranged ineach of the sleeves 7 and adapted to engage the collar 3is a setscrew16,which is of such length that the same will always be countersunkwithin the sleeve, as shown. These set-screws are for the purpose ofadjusting the position of the guard and for securing the same to thestop-collar 3, so that it will revolve in unison with the latter and theshaft 2.

It is thought the many advantages of my improved construction ofset-screw guard can be readily understood from the foregoingdescription,taken in connection with the accompanying drawings, and itwill be noted that various changes may be made in the details ofconstruction without departing from {the general spirit of my invention.

Having thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent, is-

1. A set-screw guard consisting of a pair of semicircular sectionssuitably connected together and adapted to surround a stop'collar andits screws, a series of sleeves formed integral with the inner face ofsaid sections, and means arranged in said sleeves for adjusting theposition of said guard.

2. A set-screw guard consisting of a pair of semicircular sectionssuitably connected together and adapted to surround a stop-collar andits set-screws, a series of sleeves formed integral with the inner faceof said sections, and a set-screw arranged in each of said sleeves andadapted to engage the stop-collar for adjusting the position of saidguard.

3. A set-screw guard consistin of a pair of semicircularsections one ofwhich is provided with bifurcated ends and the other of which has a pairof openings, means for securing said sections together, and meanscarried by said sections for adjusting the position of said guard.

4. A set-screw guard consisting of a pair of semicircular sections oneof which is provided with bifurcated ends and the other of which has apair of openings, means for securing said sections together, a series ofsleeves formed integral with the inner face of said sections, and meansarranged in said sleeves for adjusting the position of said guard.

5. A set-screw guard consisting of a pair of semicircular sections oneof which is provided with bifurcated ends and'the other of which has apair of openings, means for securing said sections together, a series ofsleeves formed integral with the inner face of said sections, and aset-screw arranged in each of said sleeves and adapted to engage thestopcollar for adjusting the position of said guard.

In testimony whereof I affix my signature in the presence of twowitnesses.

WILLIAM MCOABE. Witnesses:

J OHN NoLANn, N. L. BOGAN.

